A computer model has shown how singularities – which are normally only found at the center of black holes and hidden from view – could exist as in highly curved three-dimensional space. These so called "naked singularities" challenge Einstein's general theory of relativity.

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A computer model has shown how singularities – which are normally only found at the center of black holes and hidden from view – could exist as in highly curved three-dimensional space. These so called "naked singularities" challenge Einstein's general theory of relativity.